
Aggregates For Railway Ballast
出版:Norwegian Standards (Norges Standardiseringsforbund)

专家解读视频
Describes the properties of aggregates obtained by processing natural or manufactured materials or recycled crushed unbound aggregates for use in construction of railway track.
2002 Edition Re-Issued in January 2009 & incorporates NA 2009. (01/2009)
ONORM EN 13450:2014 - Identical
NEN EN 13450:2013 - Identical
NBN EN 13450:2013 - Identical
UNI EN 13450:2013 - Identical
SS EN 13450 Ed. 2 (2013) - Identical
BS EN 13450:2013 - Identical
ONORM EN 13450:2013 - Identical
DIN EN 13450 (2013-07) - Identical
SN EN 13450:2002 - Identical
BS EN 13450:2002 - Identical
DIN EN 13450 (2003-06) - Identical
NBN EN 13450:2003 - Identical
NF EN 13450:2003 - Identical
I.S. EN 13450:2003 - Identical
UNI EN 13450:2003 - Identical
UNE EN 13450:2003 - Identical
SS EN 13450 Ed. 1 (2003) - Identical
NEN EN 13450:2003 - Identical
ONORM EN 13450:2004 - Identical